For fans of Lee Child, Robert Ludlum and Stieg Larsson, comes the exhilarating fourth instalment of the Winter series, winner of Audible's Thriller of the Year 2019.If you can meet with Triumph and Disaster....Firestorm is down - the assassin for hire website that had the world by its throat, gone. Alek Konstantin, king of the underworld, is in hiding. But while the world celebrates, Winter is bracing for what must surely follow. All the world's cut-throats, assassins and thugs are unemployed, roaming the globe without a leader - and nature abhors a vacuum. Or watch the things you gave your life to, broken....Something's not right, and it's not only that Winter's body is in pieces. A boy held captive. An attempted assassination. Thirty men gunned down in rural South Wales. What sinister hand is directing these events, and to what end? GCHQ is a place of secrets, and they follow Winter everywhere. There is so much she must conceal, and Control is keeping something from her, something vital about her past. As she crashes towards the ultimate showdown, Winter faces the hardest decision of her life - and she must ask herself the question - whose side is she really on?